Beta RR 390 Manual De Uso página 118

3
1
2
1
2
GB
• Loosen the counter-nut 2 and remove cap 1.
• Extract the spring 3 and overturn the pipe,
making the oil escape.
3
• Move the pumping unit and drain the
remaining oil. When the oil has been
drained completely, introduce the amount
of new oil described in chapter 1.
• Bleed the pumping unit of air, making it
rise and fall until complete loading.
Introduce the spring and screw the cap 1
until it is completely inserted on the pump-
ing rod. Block the cap to the pumping
rod via the counter-nut 2.
46